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Giga Selective GA

Giga Selective GA
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Giga Selective GA

Product catalog summary
Technical Specifications:
  • Collector Dimensions: The 200 GA model measures 2070 mm in length, while the 240 GA model is 2350 mm long. Both models have a width of 1070 mm and a height of 95 mm.
  • Weight and Area: The 200 GA weighs 33.5 kg with a gross area of 2.21 m², whereas the 240 GA weighs 38 kg with a gross area of 2.51 m².
  • Absorber Details: Both models feature a full aluminium plate absorber with an area of 2.00 m² for the 200 GA and 2.32 m² for the 240 GA. The absorber includes 10 copper risers and a selective sputtered surface treatment.
  • Insulation and Casing: Insulation is provided by water-blown polyurethane, with a thickness of 30-35 mm. The casing is made of anodized aluminum, and EPDM is used for sealing.
  • Performance Limits: Maximum operating temperature is 175 °C, with a pressure limit of 10 bar. Instantaneous efficiency is η0 = 0.79, and the heat loss coefficient is a1 = 3.28.
Power Output:
  • At 700 W/m² radiation, power output ranges from 666 W to 1103 W depending on temperature difference (Tm-Ta).
  • At 1000 W/m² radiation, power output ranges from 1180 W to 1617 W.
Product Features:
  • The GA collector is designed for high performance with a unipartite anodized aluminium frame and a high selective surface treatment.
  • It includes 10 laser welded vertical copper risers and environmentally friendly PU insulation.
Company Information:
Calpak-Cicero Hellas S.A. is based in Athens, Greece, and is ISO 9001:2008 certified.
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Catalog excerpts

Giga Selective GA-1

[Calpak GA Selective Collector] Engineered to deliver utmost performance & durability! powered by the sun ds_ga_eng_mod18.indd 1 17/5/11 14:07:50

 Open the catalog to page 1
Giga Selective GA-2

Selective Collector] Calpak, having a 35 year experience in the design and production of high quality and robust collectors, offers a high selective surface collector with laser welding for exceptional The GA collector is designed and manufactured to exploit the maximum amount of solar radiation even in areas with low insolation, achieving in this way the cheapest Kwh. The combination of very high absorption, robustness and high pressure characteristics, enables high added value • A unipartite anodized aluminium frame • An absorber with one single and full aluminium plate 0.5 mm thick with high...

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.